Professional Heat Pump Manufacturer, China 1) Heating Capacity range: 9kW, 14kW,17KW, 32kW, 45kW, 65kW,75kW.90KW,150KW 2) Copeland EVI compressor and Schneider electrical components. 3) Working ambient temperature down to -30. 4) Automatically defrosting. 5) Intelligent controller and adjustment by microprocessor. 6)High efficiency tube in shell heat exchanger. 7)Match with floor heating, fan coils, and Central AC function. OPTIONAL: Galvanized metal cabinet or stainless steel cabinet R410a, R22, R407c refrigerant is available.